fix issue 2677

technghiath · technghiath · commit e0b0084c80f2 · 2022-03-15T11:03:05.000+07:00
diff --git a/src/PhpSpreadsheet/Reader/Xlsx.php b/src/PhpSpreadsheet/Reader/Xlsx.php
@@ -898,8 +898,8 @@ protected function loadSpreadsheetFromFile(string $filename): Spreadsheet
                                     foreach ($item->attributes() ?? [] as $attr) {
                                         $node->addAttribute($attr->getName(), $attr);
                                     }
-                                    $node->addAttribute('sqref', $item->children('xm', true)->sqref);
-                                    $node->addChild('formula1', $item->formula1->children('xm', true)->f);
+                                    $node->addAttribute('sqref', $item->children('xm', true)->sqref ?? null);
+                                    $node->addChild('formula1', $item->formula1->children('xm', true)->f ?? null);
                                 }
                             }
 

Original file line number	Diff line number	Diff line change
`@@ -898,8 +898,8 @@ protected function loadSpreadsheetFromFile(string $filename): Spreadsheet`
`898`	`898`	`foreach ($item->attributes() ?? [] as $attr) {`
`899`	`899`	`$node->addAttribute($attr->getName(), $attr);`
`900`	`900`	`}`
`901`		`- $node->addAttribute('sqref', $item->children('xm', true)->sqref);`
`902`		`- $node->addChild('formula1', $item->formula1->children('xm', true)->f);`
	`901`	`+ $node->addAttribute('sqref', $item->children('xm', true)->sqref ?? null);`
	`902`	`+ $node->addChild('formula1', $item->formula1->children('xm', true)->f ?? null);`
`903`	`903`	`}`
`904`	`904`	`}`
`905`	`905`